MILUTIN MARJANOV. An Inhomogeneous Gravitational Field and the Body without Center of Gravity. Global Journals of Research in Engineering, [S. l.], v. 14, n. A8, p. 7–10, 2014. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/1160. Acesso em: 7 may. 2024.